不幸而又值得期待的事情是，你的人生是不会有必修课程的，全部都是选修。

我认为抽象可以是具象的一种形式。

We need to be vigilant about the security of the Internet.

Habit is far more dependable than inspiration. Make progress by making habits. Don‘t focus on getting into shape. Focus on becoming the kind of person who never misses a workout.